generateMap(str, minLength = 4, minFreq = 2, flag)

Generates a compression dictionary automatically based on word frequency in the input string.

Parameters:

• str – Input string.
• minLength – Minimum length of words to consider. Defaults to 4.
• minFreq – Minimum frequency of words to include. Defaults to 2.
• flag – Optional flag prefix for keys. Defaults to the instance flag.

Returns: Dictionary object mapping words to short keys.

Example:

          
            1const map = compressor.generateMap("hello world hello world", 3, 2);2// { hello: '$a', world: '$b' }
          
        

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